ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Dhcp | Isc | 4.1-esv (including) | 4.1-esv (including) |
| Dhcp | Isc | 4.1-esv-r1 (including) | 4.1-esv-r1 (including) |
| Dhcp | Isc | 4.1-esv-r2 (including) | 4.1-esv-r2 (including) |
| Dhcp | Isc | 4.1-esv-r3 (including) | 4.1-esv-r3 (including) |
| Dhcp | Isc | 4.1-esv-r3_b1 (including) | 4.1-esv-r3_b1 (including) |
| Dhcp | Isc | 4.1-esv-r4 (including) | 4.1-esv-r4 (including) |
| Dhcp | Isc | 4.1-esv-r5 (including) | 4.1-esv-r5 (including) |
| Dhcp | Isc | 4.1-esv-r5_b1 (including) | 4.1-esv-r5_b1 (including) |
| Dhcp | Isc | 4.1-esv-r5_rc1 (including) | 4.1-esv-r5_rc1 (including) |
| Dhcp | Isc | 4.1-esv-r5_rc2 (including) | 4.1-esv-r5_rc2 (including) |
| Dhcp | Isc | 4.1-esv-r6 (including) | 4.1-esv-r6 (including) |
| Dhcp | Isc | 4.1-esv-rc1 (including) | 4.1-esv-rc1 (including) |
| Dhcp | Isc | 4.1.0 (including) | 4.1.0 (including) |
| Dhcp | Isc | 4.1.0-a1 (including) | 4.1.0-a1 (including) |
| Dhcp | Isc | 4.1.0-a2 (including) | 4.1.0-a2 (including) |
| Dhcp | Isc | 4.1.0-b1 (including) | 4.1.0-b1 (including) |
| Dhcp | Isc | 4.1.1 (including) | 4.1.1 (including) |
| Dhcp | Isc | 4.1.1-b1 (including) | 4.1.1-b1 (including) |
| Dhcp | Isc | 4.1.1-b2 (including) | 4.1.1-b2 (including) |
| Dhcp | Isc | 4.1.1-b3 (including) | 4.1.1-b3 (including) |
| Dhcp | Isc | 4.1.1-rc1 (including) | 4.1.1-rc1 (including) |
| Dhcp | Isc | 4.1.2 (including) | 4.1.2 (including) |
| Dhcp | Isc | 4.1.2-b1 (including) | 4.1.2-b1 (including) |
| Dhcp | Isc | 4.1.2-p1 (including) | 4.1.2-p1 (including) |
| Dhcp | Isc | 4.1.2-rc1 (including) | 4.1.2-rc1 (including) |